[lttng-dev] Removing timing overhead via tracepoint()

Mark E. Dawson, Jr. medawsonjr at yahoo.com
Wed Sep 28 20:12:59 UTC 2016


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      From: "Mark E. Dawson, Jr." <medawsonjr at yahoo.com>
 To: "lttng-dev at lists.lttng.org" <lttng-dev at lists.lttng.org> 
 Sent: Monday, September 26, 2016 1:32 PM
 Subject: Removing timing overhead via tracepoint()
   
All,
Simple question alert!
If I want to remove a ton of compiled-in calls to an "rdtscp-based" C timing function and replace them with conditionally-enabled timing based on whether or not I enable a tracing session, I can do so by adding the aforementioned call as one of the arguments to tracepoint() with our defined provider and event name, correct?

   
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